Callisen's operation
[医] 卡利森氏手术(腰式结肠切开术)
🧩 词语组成解析
🗣️ 情景例句
the school poster for the play this year.
今年学校话剧的海报。
The spacecraft is scheduled to arrive at Saturn next year.
太空船预定明年到达土星。
We continually wage war on them, for they contaminate our food, carry diseases, or devour our crops.
人类不断同昆虫斗争，因为昆虫弄脏我们的食物，传播疾病，吞噬庄稼。